ArticleNucleic acids research2021
Arabidopsis mTERF9 protein promotes chloroplast ribosomal assembly and translation by establishing ribonucleoprotein interactions in vivo.
Article in Nucleic acids research, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers.
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16 citing papers in PubMed, 46 citations in OpenAlex.
- Review
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- Laminar patterning transcription factors orchestrate spatial metabolite partitioning in Capsicum fruit.Nature plants · 2026Article
- Searching for α-solenoid proteins involved in organellar gene expression.BMC genomics · 2026Article
- Lineage-specific expansion and functional diversification of mTERF proteins sculpt organellar regulation in plants.BMC plant biology · 2026Article
- Smi-miRmTERF regulates organelle development, retrograde signaling, secondary metabolism and immunity via targeting a subset of SmmTERFs in Salvia miltiorrhiza.Molecular horticulture · 2025Article
- Defective Processing of Cytoplasmic and Chloroplast Ribosomal RNA in the Absence of Arabidopsis DXO1.Plant, cell & environment · 2025Article
- Review
- Light response of gametophyte inFrontiers in plant science · 2023Article
- GTPase Era at the heart of ribosome assembly.Frontiers in molecular biosciences · 2023Review
- Types and Functions of Mitoribosome-Specific Ribosomal Proteins across Eukaryotes.International journal of molecular sciences · 2022Review
- Comparative Transcriptome Profiling Analysis Reveals the Adaptive Molecular Mechanism of Yellow-Green Leaf inFrontiers in plant science · 2022Article
- A rice mTERF protein V14 sustains photosynthesis establishment and temperature acclimation in early seedling leaves.BMC plant biology · 2021Article
- The core autophagy machinery is not required for chloroplast singlet oxygen-mediated cell death in the Arabidopsis thaliana plastid ferrochelatase two mutant.BMC plant biology · 2021Article
- Mitochondrial Transcription Termination Factor 27 Is Required for Salt Tolerance inInternational journal of molecular sciences · 2021Article
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Authors and funding
7 authors at 3 institutions in 2 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
The mitochondrial transcription termination factor proteins are nuclear-encoded nucleic acid binders defined by degenerate tandem helical-repeats of ∼30 amino acids. They are found in metazoans and plants where they localize in organelles. In higher plants, the mTERF family comprises ∼30 members and several of these have been linked to plant development and response to abiotic stress. However, knowledge of the molecular basis underlying these physiological effects is scarce. We show that the Arabidopsis mTERF9 protein promotes the accumulation of the 16S and 23S rRNAs in chloroplasts, and interacts predominantly with the 16S rRNA in vivo and in vitro. Furthermore, mTERF9 is found in large complexes containing ribosomes and polysomes in chloroplasts. The comprehensive analysis of mTERF9 in vivo protein interactome identified many subunits of the 70S ribosome whose assembly is compromised in the null mterf9 mutant, putative ribosome biogenesis factors and CPN60 chaperonins. Protein interaction assays in yeast revealed that mTERF9 directly interact with these proteins. Our data demonstrate that mTERF9 integrates protein-protein and protein-RNA interactions to promote chloroplast ribosomal assembly and translation. Besides extending our knowledge of mTERF functional repertoire in plants, these findings provide an important insight into the chloroplast ribosome biogenesis.
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